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Kvantovaya Elektronika, 2016, Volume 46, Number 2, Pages 159–162 (Mi qe16323)  

This article is cited in 3 scientific papers (total in 3 papers)

Nanooptics

Extremely tight focusing of light at the nanoapex of a metal microtip

A. B. Petrin

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow

Abstract: We study the focusing of an optical electromagnetic wave into a nanoscale spatial region in the vicinity of the nanoapex of a metal microtip, arising due to a convergent surface plasmon wave. The metal boundary near the nanoapex is approximated by a paraboloid of revolution. It is proved that an increase in the metal absorption in approaching the nanoapex, associated with an increase in the frequency of collisions of electrons with the surface, is an essential but not limiting factor for this method of light nanofocusing. It is shown that the minimum possible size of the focusing region can be about of 1 nm.

Keywords: nanofocusing, surface plasmons, plasmon waveguide.

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English version:
Quantum Electronics, 2016, 46:2, 159–162

Bibliographic databases:

Received: 15.05.2015
Revised: 26.10.2015

Citation: A. B. Petrin, “Extremely tight focusing of light at the nanoapex of a metal microtip”, Kvantovaya Elektronika, 46:2 (2016), 159–162 [Quantum Electron., 46:2 (2016), 159–162]

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  • http://mi.mathnet.ru/eng/qe16323
  • http://mi.mathnet.ru/eng/qe/v46/i2/p159

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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. Quantum Electron., 46:9 (2016), 848–854  mathnet  crossref  isi  elib
    2. A. Giugni, B. Torre, M. Allione, G. Das, Zh. Wang, X. He, H. N. Alshareef, E. Di Fabrizio, Adv. Opt. Mater., 5:15, SI (2017), 1700195  crossref  isi
    3. M. Bagherian, S. Kouchekian, I. Rothstein, A. Passian, Phys. Rev. B, 98:12 (2018), 125413  crossref  isi  scopus
  • Квантовая электроника Quantum Electronics
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